Conditions for Running the DTCs

WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

Before the ECM can report that P013A, P013C, P013E, or P014A failed, DTCs P0030, P0031, P0032, P0050, P0051, P0052, P0135, and P0155 must run and pass.
DTC P0036, P0037, P0038, P0057, P0058, P0137, P0138, P0140, P0141, P0157, P0158, P0160, P0161, P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0442, P0443, P0455, P0458, P0459, P2096, P2097, P2098, P2099, P2177, P2178, P2179, P2088, P2089, P2090, P2232, P2235, P2270, P2271, P2272, or P2273 is not set.
The ignition voltage is greater than 10 volts.
The HO2S 1 and 2 are in Closed Loop.
The HO2S 2 resistance is 900 ohms or less.
The HO2S 2 calculated exhaust temperature is warmer than 450°C (842°F).
Decel fuel cut-off (DFCO) is active.
The HO2S 1 signal voltage is less than 140 mV and the HO2S 2 signal voltage is greater than 590 mV at the beginning of decel fuel cut-off - DTC P013E and P014A only.
The DTCs run continuously when the conditions above exist.